I have seen too much confusion concerning battery charge rates. In Jeremy's
original post he referred to a C20 charge rate. There's more information needed
to understand what he meant. It would be convenient if we would all use the
same expression to indicate the maximum charge current.
The ex
There are a lot of forums and circles where C/20 refers to the capacity
divided by 20, or 5% of the battery capacity. This may be the more informal
interpretation of the term, but you will find many examples where people
consider C/20 to be 5% of the capacity (wrong or right). For example, look
at
Wrenches,
I attended John DeBoever's Friday afternoon presentation on battery
technology and care at the NABCEP Continuing Education conference
this past weekend. It quickly became clear to me that John seriously
knows his batteries, at all levels: chemistry, physics, RE
Jason, Wrenches,
C/20 means C over 20 hours discharge rate = capacity @ the 20 hours discharge
rate. C/20 often is mentioned as C20, so the confusion here.
Max recommended is 10& to 15% of C20 of the battery bank.
John
Trojan Battery Company
From: re-wrenches-boun...@lists.re-wrenches.org
[mai
There must be some confusion here about the charging rate. C/20 refers to
capacity divided by 20, so in the case of a 325aH battery (capacity @ the
20 hour discharge rate) we’re talking about charging at a 16.25 amp rate.
I’m sure John is not referring to a maximum rate of 10-15% of 16.25 amps,
but
Jeremy, Wrenches,
165°F is definitely too high and you should stop immediately any charge to
avoid further major problems. I recommend you contact our Trojan Tech Support
for help at
http://www.trojanbatteryre.com/Tech_Support/Tech_Support.html?tab=0#TabbedPanels1#top
Below are few perspec
I'm looking for a recommendation on a battery load tester. Requirements:
6V and 12V, portable or lightweight, suitable for batteries ranging from
group 24 up to L-16 capacity with larger range helpful but not required.
Jason Szumlanski
Fafco Solar
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Li
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